23470121 has 2 divisors, whose sum is σ = 23470122. Its totient is φ = 23470120.

The previous prime is 23470103. The next prime is 23470133. The reversal of 23470121 is 12107432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23425600 + 44521 = 4840^2 + 211^2 .

It is a cyclic number.

It is not a de Polignac number, because 23470121 - 2¹⁴ = 23453737 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 23470093 and 23470102.

It is not a weakly prime, because it can be changed into another prime (23470171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11735060 + 11735061.

It is an arithmetic number, because the mean of its divisors is an integer number (11735061).

Almost surely, 2^23470121 is an apocalyptic number.

It is an amenable number.

23470121 is a deficient number, since it is larger than the sum of its proper divisors (1).

23470121 is an equidigital number, since it uses as much as digits as its factorization.

23470121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 23470121 is about 4844.5970936704. The cubic root of 23470121 is about 286.3112696597.

Adding to 23470121 its reverse (12107432), we get a palindrome (35577553).

The spelling of 23470121 in words is "twenty-three million, four hundred seventy thousand, one hundred twenty-one".